CloudFlare to Amazon Route 53

Question

Hello,

We use CloudFlare for DNS management. We are considering moving this service to AWS's Route 53 service.
However, we do not want to experience a possible outage. We look forward to your detailed support and suggestions.

Also we have a concern.
Although general domain providers give a fixed some of NS (eg: ns1.xxx.yyy - ns2.xxx.yyy), we have observed that this is not the case in aws. What is the reason for this, is it any different from normal domain providers? Will we have a problem with this?

What do you think we should pay attention to?

Answer

There is the step by step instruction to migrate DNS management in the AWS docs. Your can take a look [here](https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/migrate-dns-domain-in-use.html).

Answer

Regarding your second question, I assume you're asking why Amazon Route53 uses a different set of nameservers per zone by default. The reason is zones are shuffle-sharded on our infrastructure, you can find more details and a deep dive on the reasons here.

If you need a fixed set of nameservers, for example because you have external automation and don't want to run a direct API integration, you can create reusable Delegation Sets which will allow you to have different zones with the same set of NS.

If you need a fixed set of nameservers, for example because you have external automation and don't want to run a direct API integration, you can create reusable [Delegation Sets](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/route53/create-reusable-delegation-set.html) which will allow you to have different zones with the same set of NS.

CloudFlare to Amazon Route 53

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